Elephants are perhaps the only animals that are hunted for their teeth. Elep

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问题 Elephants are perhaps the only animals that are hunted for their teeth. Elephant tusks, or very large teeth growing on either side of their mouths, are composed of a valuable material called ivory(象牙).
(78) An elephant uses its long, pointed tusks as tools for digging in the ground for food. He also uses them as weapons in combat.
The tusks of male elephants are usually large and heavy. In Africa, female elephants have long, light tusks. In India and other parts of southern Asia, female elephants have small, short tusks or none at all.
(79) Tusks in good condition are in great demand, and may sell for as high as two thousand dollars or more. Because of this, large numbers of elephants have been killed. Some countries have initiated (开始) methods to protect elephants. They have established elephant preserves, areas of land set aside for herds of elephants where no one is allowed to harm them. Elephants on the preserves are safe from ivory hunters.

选项 A、large and heavy tusks
B、small, short tusks or none at all
C、small and heavy tusks
D、long, light tusks

答案 B

解析细节题。根据大写的地名回文中定位，可迅速查找出第三段：“In India and other parts of southern Asia. female elephants have small，short tusks or none at all”(在印度和南亚的其他地区，雌象的象牙短小或根本没有。)因此答案选B。

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